カラードップラー画像は,頭蓋内低血圧の診断のために使用されます
1Neurological Institute, Veterans General Hospital-Taipei, Taiwan, Republic of China.
Lancet (London, England)
|September 15, 1999
まとめ
上眼静脈のカラー・ドップラー・フローイメージング (CDFI) は,血流の変化を測定することによって,頭蓋内低血圧を診断するための非侵襲的方法を提供します. このテクニックは,低圧頭痛の確認と治療効果のモニタリングに役立ちます.
科学分野:
- 神経画像は,神経イメージングによるものです.
- 血管の超音波検査について
- 神経学 神経学とは
背景:
- 頭蓋内低血圧の診断は,伝統的に,侵襲的な脳脊髄液圧測定に依存しています.
- 頭蓋内低血圧の非侵襲的診断ツールが必要である.
研究 の 目的:
- 上眼静脈の血流の評価のためのカラー・ドップラー・フローイメージング (CDFI) を評価する.
- 頭蓋内低血圧の診断におけるCDFIの有用性を決定する.
主な方法:
- 頭蓋内低血圧の疑いのある25人の患者は,上眼静脈のCDFIを受けました.
- 脳脊髄液の圧力は,腰椎穿刺で測定されました.
- 脳MRIと超音波検査が行われました.
- コントロールグループには,健康な個人と低圧頭痛のない患者が含まれていました.
主要な成果:
- 上部眼静脈の直径は,脳内低血圧の患者では,対照群 (3.9 mm vs. 2.6-2.7 mm) と比較して有意に大きかった.
- 平均最大流速は,頭蓋内低血圧群で有意に高かった (17.0cm/s vs. 7.3-7.9cm/s).
- epidural blood patchによる治療は,これらの流れの変化を逆転させ,症状を和らげました.
結論:
- 上眼静脈のCDFIは,脳内低血圧の疑いに対して,実用的でシンプルで非侵襲的な診断方法です.
- この超音波技術は,頭蓋内低血圧の診断と管理に役立ちます.
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